Pentair Almond Tank Lid Assembly for Clean & Clear Plus 420 Filter | 178581 Style_Pool Valet This part is small and

This part is small and shaped like a box on its top side while the lower half is shaped to conform to the cleaner's lower middle body fitting snugly into place so that way it cannot move

this means it is set at the desired flow required for the cleaner to operate correctly

so it is very easy to identify when looking at the internals of the cleaner or trying to troubleshoot an issue

You can do the opposite of this to remove it as well

Pentair Almond Tank Lid Assembly for Clean & Clear Plus 420 Filter | 178581 Style_Pool Valet This part is small andPentair 178581 Almond Tank Lid Assembly for Clean & Clear Plus 420 Filter Replace your Pentair Clean & Clear Plus 420 filter lid with the 178581 Almond Tank Lid Assembly. Features Genuine OEM Replacement: Designed specifically for Pentair Clean & Clear Plus 420 sq. ft. cartridge filters manufactured after November 1998. Durable Construction: Crafted from fiberglass reinforced polypropylene for long lasting performance and resistance to pool chemicals.